Water storage and filter



Dec. 20, 1927. 7 1,653,204

H. o. DAHLIN WATER STORAGE AND FILTER TANK Filed April 20, 1925 E nz a 7 3 '6 i II Jwwmtoa 50.17%),

Patented Dec. 20, 1927,

UNITED STA -Es HORACE OTTO DAHLIN', 0F HARRISBURG, PENNSYLVANIA.,

WATER STORAGE AND FILTER TANK.

A lication filed April 20,1925. Serial No. 24,564.

This invention relates to an improved tank for storing and filtering water, and while it is not to be restricted to any particular use, it is especially adapted for installation inthe water supply system of a soda water fountain.

In the ordinary circulating and supplyv system of fountains of this class, it has been observed that the pump is subjected to leakage due to a constant back pressure exerted thereon by the water. Furthermore,it has been observed that the city water pressure is.

frequently of such magnitude that the gas pressure from the carbonating machine'fa'ils to hold the water back. The result is that water is frequently taken into the carhon'ator when the pump is not working, and the re-.

sult is that the water issuingfrom the spigot at the fountain is of a poor quality.

The present device has been constructed 7 with a view toward overcomingthese disad- 7 top and is provided with a channel. 4 in vantages and at the. same time properly filtering the water before it reaches the foun-' tain for use, whereby to remove foreign matter collected during passage through cor roded pipes, pumps, etc. 1

Other features and advantages of the in: vention will become apparentfrom the following description and drawing.

In the accompanylng drawlng forming a part of this application and in which like numerals are employed to design-ate like parts throughout the same: p

Figure 1 is a horizontal section through the upper portion of a tank constructed in accordance with the present invention, the section being taken approximately upon the plane of the line 11 of Fig.2. Fig. 2 is a central vertical section throng the tank.

Referring to the drawings inmdetail, the

reference character 1 designates the tank which is provided at its bottom witha water outlet 2 and at its top in an opposed'sidewith a water inlet 3. The tank is open at its which the downturned flange ofa removable cover plate 5 is received. The cover plate is provided with a handle ,6 by means of which it may be easily handled. The cover plate is also provided with a nipple 7 and a common rubber balloon bulb orthe like 8 is at tached to its neck as to serve as a pressure indicator. It will be observed that the inlet 3 extends into the interior of the tank and is provided with a casing 9 in which avalve is arranged. To control the passage of water into the tank, the stem 10 ofthe valve extends above the casing and an operating rod 11 1s connected thereto. It will be observed that this operating rod includes a depending portion 12 on the lower end, of which isa .ball float 13. which serves to control the normalfluid level of the water 14 in the tank.

- Also located in the tank is a filter 15 ineluding a fixedly mounted lower screen par- 7 tition l6 and an upperscreenl'? which is spaced thercfrom to provide a space for a filler 18' of appropriate filtering material.

It will be noted that this filter has one endterminatlng in spaced relation from the adjacent wall of the tank particularly for accommodating the float operated rod 11.

Inpractice the water from the pump entersthe tank through the valved intake 3 and fills up the system and partially fills the tank to the approximate level shown. When this level is reached, the ball float valve is raised upwardlyto actuate the valve rod for closing the valve in the casing 9, thus cutting off further flow. of water. The water inflowing into the system must pass through the filter 15'and it is thus effectively strained to remove impurities and foreign matter.

It isthought that persons skilled in the art to which the invention relates will appreciate and will understand the invention from the foregoing description and ,drawing. For this reason a more lengthy de scription is thought unnecessary.

While the preferred embodiment of the invention has been shown and described, it,

is to be understood that minor changes com ing within the field "of invention claimed may be resorted to if desired.

Whatis claimed as new is As a new article of manufacture, a filtering and pressure reducing device for instal lation in a storage and filter tank suchas is used in a carbonated water supply system for soda fountain, said device comprlslng spaced screens with a filter of absorbent ma I terial therebetween, one end of said device being directed upwardly and being adapted to terminate in spaced relation from an adjacent end wall of the tank in which the de-l J viceis intended to be supported in order to accommodate the depending portion of a float'operated rod which is located in the aforesaid tank.

In testimony whereof Iafli'x my signature.

HORACE OTTO DAHLIN. 

